Codersarts Blog.

Someone in your last meeting asked, "Is the new model better than the old one?" and nobody could answer in under 30 seconds. The eval numbers live in three notebooks, a Slack thread, and a spreadsheet that's two weeks stale. A custom AI evaluation dashboard fixes that: one live place where engineers, PMs, and leadership see LLM quality across models, benchmarks, and time. This guide shows you the architecture, the panels that matter, the stack choices, and what it costs to b